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revision 1.25 by adcroft, Wed Apr 5 15:37:10 2000 UTC revision 1.88 by jmc, Fri Sep 27 20:19:19 2002 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    checkpoint46i_post
7    o Clean up AIM package (and keep the results unchanged):
8      include CPP_OPTION and use IMPLICT NONE in all routines ;
9      declare all the variables _RL ; use _d 0 for all numerical constants.
10      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
11    
12    checkpoint46h_post
13    o cleaned up the use of rhoNil and rhoConst.
14      - rhoNil should only appear in the LINEAR equation of state, everywhere
15        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
16        and the dynamical equations are all divided by rhoConst
17    o introduced new parameter rhoConstFresh, a reference density of fresh
18      water, to remove the fresh water flux's dependence on rhoNil. The default
19      value is 999.8 kg/m^3
20    o cleanup up external_forcing.F and external_forcing_surf.F
21      - can now be used by both OCEANIC and OCEANICP
22    checkpoint46h_pre
23    
24     Added code to convert surface volume flux (fresh water) into
25     a mass flux when using P coordinates in the ocean (OCEANICP).
26     Note: It assumes you have set rho0=rhoConst=density of fresh water.
27    
28    checkpoint46g_post
29    o Include a new diagnostic variable phiHydLow for the ocean model
30      - in z-coordinates, it is the bottom pressure anomaly
31      - in p-coordinates, it is the sea surface elevation
32      - in both cases, these variable have global drift, reflecting the mass
33        drift in z-coordinates and the volume drift in p-coordinates
34      - included time averaging for phiHydLow, be aware of the drift!
35    o depth-dependent computation of Bo_surf for pressure coordinates
36      in the ocean (buoyancyRelation='OCEANICP')
37      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
38        Theta, Salinity, and Pressure in the parameter list. This routine is
39        presently contained in find_rho.F. This routine does not give the
40        correct density for 'POLY3', which would be a z-dependent reference
41        density.
42    o cleaned up find_rho
43      - removed obsolete 'eqn' from the parameter list.
44    o added two new verification experiments: gop and goz
45      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
46    checkpoint46g_pre
47    
48    checkpoint46f_post
49    o Enable tangent linear (forward mode) gradient checks:
50      - extended active file handling to g_... files
51      - added TANGENT_SIMULATION to theSimulationMode
52      - extended grdchk package accordingly
53    o added tangent linear setup in verification/carbon/code_ftl
54    o added adjoint setup in verification/front_relax/code_ad
55    
56    checkpoint46e_post
57    o Added new equation of state -> MDJWF
58      - EOS of McDougall et al., 2002, JAOT, submitted
59      - caveat: the equation of state is only valid for a smaller (more
60        realistic?) range of values than JMD95P/Z and UNESCO
61      - added masks to the calculation of pressure in store_pressure
62      - added more check values for density in check_eos (ini_eos.F), some of
63        the old check values are out of the range of the MDJWF-eos, so don't
64        expect perfect matches for those
65    checkpoint46e_pre
66    
67    checkpoint46d_post
68    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
69      'OCEANICP', also initialised field pressure correctly in ini_eos in the
70      case of pressure coordinates. eosType='JMD95Z' in
71      combination with buoyancyRelation='OCEANICP' now causes an error.
72    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
73      in find_alpha/beta.
74    checkpoint46d_pre
75    
76    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
77      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
78    
79    checkpoint46c_post
80    o Changes necessary for ocean in p-coordinates
81     -  Added new buoyancy relation = 'OCEANICP'
82     -  Added new parameters = gravitySign (this used to be contained inside
83        the factor dRdZ which I added when we first switched to R coordinates).
84     X GM/Redi is not compatible (yet)
85     X bottom drag and no-slip need to be debugged.
86    checkpoint46c_pre
87    
88    checkpoint46b_post
89    o Added new equation of state -> JMD95Z and JMD95P
90      - EOS of Jackett and McDougall, 1995, JAOT
91      - moved all EOS parameters into EOS.h
92      - new routines ini_eos.F, store_pressure.F
93    o Added UNESCO EOS, but not recommended because it requires
94      in-situ temperature (see JMD95)
95    o Modified formatting for knudsen2.f in utils/knudsen2 and added
96      unesco.f to be used with POLY3
97    checkpoint46b_pre
98    
99    checkpoint46a_post
100    o Added (atmospheric) pressure loading
101      - new field in FFIELDS.h, etc...
102      - new cpp flag ATMOSPHERIC_LOADING
103    o Changed hFacC to _hFacC in calc_phi_hyd.F
104    o Added SHORTWAVE_HEATING to some files for consistency
105    checkpoint46a_pre
106    
107    checkpoint46
108    further merges from release1_p5
109    o new ctrl package
110      - adopted from ECCO environment to enable optimization
111      - added Eliassen Palm fluxes to controls
112    o added Eliassen Palm flux controls to gradient check package
113    o cost package
114      - Compatible with new ctrl package
115      - added Eliassen Palm cost hooks
116      - modif's of existing cost functions
117    o Adjoint-related bug fixes in kpp:
118      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
119      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
120    o autodiff package
121      - flow directives:
122        + new for S/R do_the_model_io
123        + enhanced for S/R checkpoint
124        + new gmredi.flow
125      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
126        disable adcommon.h/g_common.h by default.
127      - fixed problem for adjoint of global_max
128    o modified verification/carbon/
129    o New setup for adjoint of global_ocean
130    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
131    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
132    o incorporated hooks for sponge layer code (external_forcing.F)
133    
134    checkpoint45d_post
135    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
136    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
137      (affects plume_on_slope "cg2d" output)
138    o add new parameter deltaTfreesurf for free-surface time stepping
139    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
140    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
141    o change phiMin in exp1 (to agree with documentation)
142    o add new flags:
143     - T,S forcing inside/outside Adams-Bashforth
144     - turn off temp,salt advection and/or forcing
145     - for each tracer, define internal flag for multiDimAdvection & A-B
146    o monitor: change definition of KE to check conservation of Energy
147    
148    checkpoint45c_post
149    o Removed f90 comments ("!")
150    o Modified initialisations to enable exf package for MITgcm
151      (without invoking ECCO_PACKAGE).
152    o modifications to gradient check package (Martin Losch)
153      - enable centered differences
154      - modified format of standard output
155    
156    checkpoint45b_post
157    o cleaned exchange calls in cg2d
158    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
159    o included CPP option SINGLE_LAYER_MODE in thermodynamics
160      to configure barotropic setup (Martin Losch)
161    o moved some initialisations within bi,bj loop in dynamics
162      (TAF flow dependency)
163    o in initialise_varia, moved call packages_init_variables
164      before convective_adjustment_init
165      (corresponding adjustment of TAF tape initialisation).
166    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
167    
168    checkpoint45a_post
169    o compute Rho over the whole domain (extend iMin,jMin indices)
170    o specific exchange for X-slice domain (case Ny=1)
171    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
172    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
173    
174    checkpoint44h_post = checkpoint45
175    o Fix to restore differentiability:
176      place at which packages_init_variables is called in
177      initialise_varia is crucial for reverse control flow.
178    o modifications in GMRedi to enable stable adjoint
179      (corresponding modif's in thermodynamics, dynamics)
180    o added missing hook for sponge layer code in external_forcing
181    o modified test cost functions
182    o storing in gad_advection (plus removal of write(0,*)!
183    o missing headers TR1.h added in convective_adjustment routines
184    o errorMessageUnit set non-equal zero in eeboot
185      (conflict on some platforms, e.g. IBM SP3)
186    o modified carbon verif.
187    
188    checkpoint44h_pre
189    o vertical grid option: allow to put the Interface at the middle between
190      2 cell-centers ; replace delZ in pkg/kpp by drF.
191    o GM Advective form: Tracers are advected using the residual transport (=
192      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
193    
194    checkpoint44g_post
195    o fix surface correction term in multiDimAdvection (affects plume_on_slope
196      results) ; ifdef missing in thermodynamics.F
197    
198    checkpoint44f_pre,checkpoint44f_post
199    o added PTRACERS package
200      This allows an arbitrary number of passive tracers to be integrated
201      forward simultaneously with the dynamicaly model.
202      + Implemented so far:
203        - basic forward algorithm (time-stepping, advection, diffusion, convection)
204        - I/O and checkpointing
205        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
206      + Not implemented so far:
207        - KPP
208        - OBCS
209      + No specific example supplied (yet) but global_ocean.90x40x15 has the
210        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
211        line in data.pkg.
212      + This package is disabled by default since it increases storage.
213    
214    
215    o testscript: added -cleanup option
216    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
217                 b) enable to filter 2D fields.
218    
219    checkpoint44e_pre,post
220    o re-wrote convective adjustment to use pre-calculated weights
221      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
222      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
223      Original calls to convect() still in place.
224    
225    chkpt44d_pre,post
226    o added missing EXCLUDE_MONITOR flags
227    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
228      (incompatible typ in MIN/MAX expressions caused problems
229      on IBM SP3)
230    o in genmake added variable MAKEDEPEND
231      plus resetting for case SunOS
232    o added timer_stats.c routine for IBM SP3
233    o removed variables in dynamics
234    !!! I forgot to create tag chkpt44d_pre !!!
235    !!! But chkpt44d_pre = chkpt44c_post    !!!
236    
237    o real fresh water flux implemented with non-linear free-surface.
238    
239    chkpt44c_pre,post
240    o few fix (mask in shap_s2, EmPmR in external_field_load,
241      USE_NATURAL_BCS in solve_for_P);
242    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
243    
244    checkpoint44b_pre/_post
245    o merge of relevant stuff from the ecco-branch:
246      - genmake: removed $S64 overwrite for case SunOS
247      - pkg/exf: update and corrections for field swapping and obcs
248      - pkg/ecco: parameter lists for the_model_main, the_main_loop
249                  harmonized between ECCO and MITgcm
250      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
251                      updated checkpointing_lev... lists for obcs
252      - model/src: minor changes in forward_step, plot_field
253                   added directive for divided adjoint in the_main_loop
254      - pkg/mdsio: added mdsio_gl_slice
255    
256    o check parameters & config (chkpt44a_pre,post)
257    o OBC and NonLin_FrSurf.
258    
259    checkpoint44
260    o fix bug in mom_vi_del2uv
261    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
262    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
263    o update AIM experiments (NCEP input files)
264    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
265    o added some stuff for AD
266    
267    checkpoint43
268    o added two new advection tests
269    o added global 4x4 degree ocean test
270    o added test of H&S94 with free surface on cube
271    o some final mods for gradient check, adjoint,...
272    
273    checkpoint42
274      Fixed AD-related problems:
275    o Store directives up-to-date with re-arranged Adams-Bashforth
276      (mainly thermodynamics.F)
277    o New store directives for multi-dim. advection schemes
278      * new CPP flag ALLOW_MULTI_DIM_ADVECTION
279      * new common block and key passkey
280      (mainly gad_advection.F)
281    o Modified store directives for split of dynamics/thermodynamics
282      for the case ALLOW_KPP
283    o Cleaned argument list for timestep_tracer.F
284    
285    checkpoint41
286    o re-formatted/added comments in prologues of key subroutines
287      to work with protex
288    
289    checkpoint40
290    o moved calc_gs, calc_gt and calc_tr1 back to model/src
291    o added FLT (floats) package from Arne along with demo. experiment
292    o re-arranged Adams-Bashforth scheme for tracers to allow easier
293      implementation of forward-in-time forcing terms
294    o more mods for non-linear free-surface including new variable
295    o modified multi-dim method to work on cube
296    o bug fix in KPP (from DM)
297    
298    checkpoint40pre9
299    o added DST advection schemes
300    o fix MPI bug on SGI's
301    o modifications for non-linear free-surface
302    o fixed conditionals for fixed flow/passive tracer only mode
303    o added tension/strain form of stress tensor
304    o changes to commenting of arguments for TAF/TAMC
305    o added/updated many matlab scripts
306    o added multi-dimensional advection method for tracers
307      
308    checkpoint40pre8
309    o new package rw/
310      Added method for dumping intermediate local arrays:
311      mdsio_writetile - same as mdsio_writefield except works from inside
312                        bi,bj loop
313      mdsio_writelocal - same as mdsio_writetile except works for local
314                         arrays
315      write_local_r? - higher-level wrapper for mdsio_writelocal
316      Controlled by diagFreq. Defaults to zero (ie. no dumps)
317      Example given at end of mom_vecinv.F that dumps some local arrays.
318    o replaced calc_mom_rhs.F by mom_fluxform.F/mom_vecinc.F to
319      control flux-form versus vector invariant code.
320      Switch is runtime flag vectorInvariantMomentum (defaults to false)
321      or genmake -DISABLE ...
322    o TAMC-related update to cope with mom_fluxform.F/mom_vecinc.F
323      (additional storing is now needed for case vecinv;
324      currently nothing implemented to switch this storing off
325      in case fluxform is used since no CPP flag available).
326    
327    checkpoint40pre7
328    o bug fix in dynamics.F
329      calc_viscosity called before k=1,Nr loop.
330    o added some #ifdef's ALLOW_PASSIVE_TRACER
331    o cleaned initialisations in ctrl_map_ini
332      related to TAF
333    
334    checkpoint40pre6
335    o split dynamics into thermodynamics & dynamics
336    o corresponding split of calc_diffusivity into
337      calc_diffusivity, calc_viscosity
338      (kpp_calc_diff, kpp_calc_visc).
339    o Added diffkr, kapgm to control variables
340    o bug fix in gmredi_slope_limit for ldd97
341    
342    checkpoint40pre5
343    o proper initialization of Adams-Bashforth time stepping
344      + uses forward step for very first step of model (iter=0)
345    o re-generated *all* output since almost all output is modified by this
346      change (sorry but we've been putting this one off for about 2 years)
347      + natl_box, aim.5l_Equatorial_Channel and aim.5l_zon-ave were
348        *not* regenerated since they are already out of date and I don't
349        want to create the impression that they are suddenly working.
350    o removed KAP stuff for DEC's
351    o modified/added many .cvsignore files in */code and */input
352    o added new expt "solid-body.cs-32x32x1"
353      + this uses an alternative form of ini_curvilinear_grid.F which
354        is not necessarily any better than the current one...
355    
356    checkpoint40pre4
357    o added re-initialisations of utrans,vtrans,rtrans in
358      calc_common_factors which are crucial for TAF.
359    o extended iMin,jMin range for calc_common_factors,
360      calc_diffusivity
361    o added option ALLOW_PASSIVE_TRACER
362    o a few minor updates and fixes
363    
364    checkpoint40pre3
365    o created calc_gtr1.F for gad package
366    o split the_main_loop and re-introduced forward_step
367    o some recomputations of nIter0 for TAMC
368    
369    checkpoint40pre2
370    o Updated to latest branch of AJA, JMC
371    o Added gradient check package
372    o Added routines for passive tracer handling
373    o Added carbon sequestration sensitivity experiment
374    
375    checkpoint39
376     o Modifications and fixes to support TAMC
377       (mainly missing or wrong directives)
378     o Corrected common blocks when fooling TAMC to produce adjoint I/O
379       in addummy_in_stepping
380     o Updated verification/vero/ (bug fixes in code/, correct pickups in input/)
381     o Enabled "sliced" (xz-,yz-) exchanges, needed for obcs.
382     o Included following packages:
383       cal: calendar
384       exf: external forcing
385       ecco: essential routines to control use of cal, exf
386             (NB: this is not the full ECCO environment)
387     o disabled some packages by default in genmake
388    
389    checkpoint38
390     o see notes_c37_adj.txt
391     o corrected wrong layer index in external_forcing_t
392     o replaced the_main_loop/forward_step by the_main_loop
393     o removed forceoutput from write_state
394       (replaced criteria for initial/final state)
395     o added runtime flag for pre-C35 pickups: usePickupBeforeC35
396    
397    checkpoint37
398     o mdsio.F routine split and packaged in pkg/mdsio
399       (mdsio.F and mdsio_gl.F still exist in eesupp/src but are not
400        used unless genmake -disable=mdsio)
401     o allow a more precise surface-geopotential gradient for the atmosphere
402       taking into account the change in space of Alpha (=1/rho) at the surface.
403     o variable "etaN" (replace cg2d_x) is the surface R-anomaly [r unit]
404       (ocean: sea surface height [m] / atmos: surface pressure anomaly [Pa])
405     o Change units: Phi_Hydrostatic (=phiHyd), Phi_Surface(=cg2d_x) and
406       Phi_NonHydrostatic (=cg3d_x), all have now the dimension of a potential
407       [m2/s2] (pressure/rhoConst in the ocean ; Geo-Potential in the atmosphere).
408     o Time-Average diagnostics defined as a pseudo package "timeave".
409     o pickup files : old pickup (before c35) did not work with new code (c35
410       and after) unless activating 2 commented lines in initialise-varia.
411     o Non-Hydrostatic pickup file Pb fixed.
412     o bug with Rigid-lid version (since c35) fixed.  
413    
414    checkpoint36
415     o implement Crank-Nickelson barotropic time-stepping
416     o recover Time-Average diagnostics
417     o fix Pb in checkpoint (PR#19)
418     o AIM become a standard package ; clean unused CPP_kees
419    
420    checkpoint35
421     o subtantial rewrite of dynamics.f
422     o allows staggered time-stepping
423     o packaged obcs, aim (Atmospheric Physics), zonal_filt, shap_filt
424     o added bottom drag (linear + quadratic)
425    
426    checkpoint34
427     o Modified exchange routines for correct reverse simulation.
428     o Added verification output to comply with bug fix in impldiff.F
429       as of c33 (exp2, natl_box).
430     o Corrected store directives in dynamics.F
431     o Corrected array boundaries in impldiff.F
432     o Corrected array dimensions in gmredi.
433       Added temporary scalars to avoid storage by TAMC (gmredi, kpp).
434     o Added routine GLOBAL_SUM_INT to global_sum.F
435     o Added mdsio_gl.F for ECCO purposes.
436    
437    checkpoint33
438     o Fixed bug in lower BC in impldiff.F
439     o Fixed confusion about units of forcing arrays in FFIELDS.h
440       namely Fu,Fv,Qnet,Qsw,EmPmR:
441       - Removed verification/natl_box/code/external_fields_scale.F
442         (did not differ from that in model/src)
443       - Changed units of fu,fv,Qnet,Qsw,EmPmR back to proper units
444         (see FFIELDS.h for description)
445       - Scale fu,fv,Qnet,Qsw,EmPmR when used in external_forcing_surf.F,
446         kpp_calc.F and kpp_transport_t.F
447       - Removed model/src/external_fields_scale.F and calls to it
448       - verification/natl_box uses flux data with "atmospheric" sign so
449         a special version of external_fields_load.F is used to
450         change the data as it's read in. This way, the arrays
451         have the right units and signs at all times tha a user could
452         possibly use them.
453     o Corrected genmake to delete a temporary file during configuration
454    
455    checkpoint32
456     o Scaling of forcing fields moved from external_forcing.F to
457       external_fields_scale.F, called directly after loading fields.
458     o Surface relaxation terms added to surface tendency fields in
459       extra subroutine.
460     o impldiff.F changed to avoid storing by TAMC of huge intermediate
461       fields.
462     o Changes in GMRedi to comply with packaging structure.
463     o Modifications and bug fixes in KPP package.
464     o Verification experiment for KPP added (verification/nat_box/)
465    
466    checkpoint31
467     o Packages interface brought in line with defined standard
468       -> new routines packages_...F
469       -> changes in initialise_fixed.F, initialise_varia.F
470       -> enables initialisation interface for ECCO package
471     o Rescaling of external forcing fields immediately after read
472       (removed from external_forcing.F)
473       -> new: surface_fields_scale.F
474       -> affects ini_foorcing.F, external_fields_load.F
475     o Computation of surface tendencies before tendency updates.
476       -> new: external_forcing_surf.F
477     o Change of variable names useGMRedi, useKPP, useECCO
478     o Further changes in dynamics.F, impldiff.F for TAMC
479     o Tested for experiments 0, 2, 4.
480       - not yet tested for GMRedi.
481       - not yet tested for KPP.
482    
483    checkpoint30
484     o Updates for OBCs
485     o New experiment for test OBCs (internal_wave)
486     o New output.txt in verification/exp4/results/
487     o Updates for KPP: calculation of viscosity corrected, new variables
488       kpp_dumpFreq and kpp_taveFreq
489     o CPP'd calls to system routines for TARGET_CRAY_VECTOR (P.H.)
490       and entry for T90 in genmake
491    
492    checkpoint29
493     o packaged KPP and GM/Redi
494    
495    checkpoint28
496     o Corrected initialization of hFacMin for difference vertical coordinates
497     o Modified calculation of partial cell thickness to more robust algorithm
498     o config_summary.F: replaced write_1D_... by write_0D_...
499       read_write.F: added subroutines write_0D_...
500     o routines calc_common_factors, calc_gs, calc_gt, calc_phi_hyd, find_rho:
501       included some initialisations required for TAMC.
502     o routine calc_isoslopes: modified sqrt computation to make it
503       differentiable for zero argument.
504     o routines dynamics, impldiff:
505       included store directives and tape key computations required for TAMC.
506     o ALL TAMC related changes are between ifdef ALLOW_AUTODIFF_TAMC
507    
508    checkpoint27
509     o fixed calc_isoslopes() to so that cancellation of terms in tensor
510       formulation works properly with variable resolution.
511     o restructured the calling tree between the_model_main() and dynamics()
512     o split initialise() into initialise_fixed() and initialise_varia()
513     o introduced initialization file pSurfInitFile for free surface (cg2d_x)
514       in new routine ini_psurf()
515    
516  checkpoint26  checkpoint26
517   o moved some #ifdef in optional routines to encompass everything   o moved some #ifdef in optional routines to encompass everything
518     except the argument declarations. This was using up some memory.     except the argument declarations. This was using up some memory.

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